Finding the Fourth Proportional to 1,538,973.72, 2,123,717.94 and 850,610.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,973.72 : 2,123,717.94 = 850,610.34 : x
2. Step 2: Convert to fraction form
   1,538,973.72/2,123,717.94 = 850,610.34/x
3. Step 3: Cross multiply
   1,538,973.72x = 2,123,717.94 × 850,610.34
4. Step 4: Simplify right side
   1,538,973.72x = 1,806,456,439,007.50
5. Step 5: Solve for x
   x = 1,806,456,439,007.50/1,538,973.72
6. Step 6: Final answer
   x = 1,173,805.90